Scientists found where the universe’s missing matter went. Black holes have been pushing it far away from galaxies.
The race is on to harness the near-infinite power of nuclear fusion—by building a star on Earth. And scientists are closer ...
The weak nuclear force doesn't play by the normal rules — and, in fact, it breaks one of the biggest rules of all.
Scientists have found that a sample of the moon brought to Earth in 1972 by Apollo 17 astronauts contains a ratio of sulfur ...
A faint radio "whisper" from ancient hydrogen reveals the universe was heating up long before it filled with starlight.